EI 159 then FR 6395 at Dublin
London Heathrow → Dublin → Barcelona
Timetable, Dublin time
13:35EI 159 from London Heathrow at the gate
11:15FR 6395 to Barcelona leaves the gate
21 h 40 apart on the timetable, overnight
FR 6395 leaves 21 h 40 after EI 159 arrives on the timetable: more than half a day, so not a connection we count.